"use strict";
var EngSay = /** @class */ (function () {
    function EngSay() {
    }
    EngSay.prototype.say = function () {
        console.log("hello");
    };
    return EngSay;
}());
var ChsSay = /** @class */ (function () {
    function ChsSay() {
    }
    ChsSay.prototype.say = function () {
        console.log("您好");
    };
    return ChsSay;
}());
function callSay(sayIns) {
    console.log("in callSay");
    sayIns.say();
}
var chsIns = new ChsSay;
var engIns = new EngSay;
callSay(chsIns);
callSay(engIns);
